Data sources: scholarly literature coverage in PaperOne

Paper Lookup in PaperOne searches across arXiv, PubMed, and open-access literature in a single query. Every result is a real bibliographic record — title, authors, venue, and year — that links out to the publisher page, with citation counts shown in context. This page describes each source and what to expect from it.

arXiv

arXiv is an open-access preprint repository where researchers share early versions of their papers before — or alongside — formal peer review. It is widely used in physics, mathematics, computer science, and related fields, which makes it one of the fastest ways to find very recent work.

Because preprints have not necessarily completed peer review, a preprint record may differ from the final published version of the same work.

PubMed

PubMed is the biomedical literature database maintained by the US National Institutes of Health (NIH). It indexes journal articles across biomedicine and the life sciences, including clinical research, and is the standard starting point for searches in those fields.

Open-access literature

Beyond the two named sources, PaperOne searches open-access literature: scholarly works that publishers and repositories make freely available to read. Open-access coverage helps surface published, peer-reviewed versions of articles alongside preprints, and makes it more likely that a result links to a full text you can read immediately.

What a result looks like

• Real bibliographic records. Each result carries a title, author list, venue, and publication year — never generated text posing as a citation.
• Links to publisher pages. Results link out to the publisher or repository page, so you can always inspect the original source.
• Citation counts in context. Where available, citation counts are shown alongside the record to help you gauge how a paper has been received.

Coverage notes

Coverage varies by source. No index is complete: a paper that exists may not appear in every source, metadata quality differs between repositories, and not every record includes a freely readable full text. When a record matters to your argument, follow the link to the publisher page and verify the details there.